Picket cap



FIG. 1 is a top left isometric view of a picket cap showing the claimed design;

FIG. 2 is another top left isometric view thereof;

FIG. 3 is a bottom right isometric view thereof;

FIG. 4 is a front elevation view thereof with the rear elevation view being identical thereto;

FIG. 5 is a right-side elevation view thereof with the left-side elevation view being identical thereto;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in FIG. 1 represent a fence and form no part of the claimed design. 

CLAIM The ornamental design for a picket cap, as shown and described. 